Cablevision's Optimum Voice SIP Trunking service now works with Toshiba's IPedge IP and Strata CIX IP business phone systems, the companies said on Tuesday.

Channel partners may sell both products to SMBs. Optimum Voice SIP Trunking, part of Cablevision's Optimum Business portfolio, provides VoIP access and key network-based features to certified IP PBXs. It's delivered through a converged voice and data network. Toshiba joins the list of technology partners that are working with Optimum Business to supply affordable, manageable communications systems for small companies.

The interoperability certification for Optimum Voice SIP Trunking spans all of Toshiba’s telephone systems, which includes IPedge EM, EP and EC models, as well as Strata CIX40, CIX100, CIX200, CIX670 and CIX1200 models. Optimum Voice SIP Trunking is available through Optimum Business and third-party resellers, including Toshiba dealers in the New York metro area.